Shure KSM137/SL ST PAIR Cardioid Microphone (Stereo Pair)

Overview

The Shure KSM137/SL STEREO is a matched pair of small-diaphragm cardioid condenser microphones designed for precise stereo recording in both studio and live environments. These microphones capture a wide frequency range from 20 Hz to 20 kHz, delivering clear and natural sound with minimal coloration. Their robust construction and versatile features make them suitable for capturing everything from delicate acoustic instruments to loud percussion with consistent clarity.

Key features

• Matched stereo pair ensures a balanced and accurate stereo image for professional recordings.
• Cardioid condenser design focuses on the sound source while reducing unwanted ambient noise and bleed.
• Gold-layered Mylar diaphragm responds quickly to transients, preserving the natural attack and detail of instruments.
• Class A transformerless preamp provides a transparent signal path with minimal distortion or coloration.
• Three-position input pad (0 dB, 15 dB, 25 dB) allows handling of a wide range of sound pressure levels without distortion.
• Switchable low-frequency roll-off filter helps reduce rumble and proximity effect for cleaner recordings.
• Durable metal body construction withstands the rigors of daily use on stage or in the studio.
• XLR connectors and phantom power operation enable easy integration with professional audio equipment.

Key specs

• Frequency response: 20 Hz to 20 kHz
• Polar pattern: Cardioid
• Maximum SPL: 145 dB
• Input pad settings: 0 dB, 15 dB, 25 dB
• Low-frequency roll-off: switchable
• Diaphragm: Gold-layered Mylar
• Preamp type: Class A transformerless
• Connector type: XLR

Connectivity and compatibility

The microphones use standard XLR outputs and require phantom power, making them compatible with most professional mixers, audio interfaces, and recording consoles. This straightforward connection method ensures quick setup and reliable performance in a variety of recording and live sound scenarios.

Ideal uses and environments

This stereo pair excels at capturing acoustic instruments, drum overheads, and ensemble performances where a clear and well-defined stereo image is essential. They work well in concert halls, rehearsal rooms, and studio settings, providing engineers and musicians with a versatile tool that adapts to both quiet and loud sources without compromising sound quality.